RO(config)#no ip nat inside source list 1 pool dy
%Dynamic mapping in use, cannot change
RO(config)#^Z
RO#
RO#clear ip nat translation *
RO#conf t
Enter configuration commands, one per lineEnd with CNTL/Z.
RO(config)#no ip nat inside source list 1 pool dy
RO(config)#
RO(config)#